How to use Laravel framework in PHP programming?

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Release: 2023-06-12 12:08:01
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Laravel is a popular PHP framework that provides many useful tools and libraries to make web development faster, easier and more efficient. If you are considering using Laravel for PHP development, this article will introduce you to how to use the Laravel framework in PHP programming.

Step One: Install Laravel Framework

Before you start using Laravel, you need to install it in your local environment. You can download the latest version of Laravel from the official Laravel website and follow the installation guide in the official documentation to complete the installation process.

After the installation is complete, you need to configure Laravel to run. First, create a .env file in the root directory of the project and modify the database information in it to your own. Next, you need to enter the following command in a terminal window or command line prompt:

php artisan key:generate

This command will generate an application key and add it to the .env in the file. The final step is to run the migration script to create the required database tables. You can run the migration script using the following command:

php artisan migrate

This command will create the necessary tables in the database based on your database configuration.

Step 2: Create a Controller

In Laravel, controllers are used to handle requests and responses between users and web applications. You can generate a controller for your web application using the following command:

php artisan make:controller YourControllerName

In the above command, replace YourControllerName with your own controller name. After execution, you will see a new controller file in the app/Http/Controllers directory.

In the new controller, you can define various methods to handle different requests. For example, you can define an index method to handle the home page of a web application:

public function index()
{

return view('welcome');
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}

In the above example , we return a view named welcome. This view is located in the resources/views/welcome.blade.php file in Laravel.

Step Three: Create Routes

In Laravel, routing is used to handle different URLs of a web application. You can create a route using the following command:

Route::get('/', 'YourControllerName@index');

In the above route, we point the web application's home page to The index method of the controller we defined earlier. You can access the web application through a browser and enter http://localhost:8000 to view the application's home page.

Also, you can also define different routes for your web application using the following command:

Route::get('/about', function () {

return view('about');
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});

In the above route, we define a /about route, which returns a view named about. The view is not associated with the controller here, so we return directly to the view.

Step 4: Create a view

In Laravel, views are used to generate the HTML content of a web application. You can create a view using the following command:

php artisan make:view YourViewName

In the above command, replace YourViewName with your own view name. After execution, you will see a new view file in the resources/views directory.

In a new view file, you can use technologies such as HTML, CSS, and JavaScript to create the look and functionality of your web application.

Step 5: Use Eloquent

In Laravel, Eloquent is an ORM (Object Relational Mapping) tool that uses the capabilities of the PHP object-oriented programming language to map database tables to PHP object. You can create an Eloquent model using the following command:

php artisan make:model YourModelName

In the above command, replace YourModelName with your own model name. After execution, you will see a new model file in the app directory.

In the new model file, you can define properties and methods associated with the database table. For example, you can define a model property and method for the users table:

class User extends Model
{

protected $table = 'users';
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}

In the above example, we will The user model is associated with the database table named users.

When using Eloquent, you can retrieve data from the database using the following command:

$users = User::all();

In the above example, We retrieve all data from the database table named users and store them in the $users variable.

Summary

In PHP programming, Laravel is a powerful framework that provides many useful tools and libraries to make web development faster, easier and more efficient. By following the above steps, you will be able to use Laravel to create controllers, routes, views, and Eloquent models to build powerful and scalable web applications. I hope this article was helpful and gave you a better understanding of how to use the Laravel framework in PHP programming.

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